Analytical Model Information Delivery Device and Analytical Model Information Delivery Program

• US 20130321415A1
• Filed: 02/22/2011
• Published: 12/05/2013
• Est. Priority Date: 02/22/2011
• Status: Abandoned Application

• Current Assignee: Hitachi, Ltd.
• Original Assignee: Hitachi, Ltd.
• Inventors: Nishigaki, Ichiro, Hariya, Masayuki, Itabayashi, Yuki, Kataoka, Ichiro
• Application Number:
  US13/983,425
• Publication Number:
  US 20130321415A1
• Time in Patent Office: Days
• US Class Current: 345/420
• CPC Class Codes: G06F 30/17 Mechanical parametric or variational design
• CPC Class Codes: G06T 17/00 Three dimensional [3D] modelling, e.g. data description of 3D objects

Abstract

Using this analytical model information delivery device, it is possible to quickly create analytical models even when the designer and the analyst are different people. This analytical model information delivery device is provided in a device for creating numerical models from CAD data. A shape search unit searches the components making up the CAD data and extracts features, and matches the extracted features with shape creation rules pre-registered in an analytical modeling means database. Further, when modifying a three-dimensional CAD model using the shape creation rules, an input result display unit highlights the modification area of the three-dimensional CAD model modified in accordance with the shape creation rules. A model conversion unit creates a numerical model from the modified three-dimensional CAD model. A shape processing unit further interactively modifies the modified area of the numerical model displayed by a modeling area display unit.

Claims

1. An analytical model information delivery device provided in a device for creating a numerical analytical model from CAD data, comprising:

a CAD data read unit which reads CAD data and creates a three-dimensional CAD model;

a shape search unit which searches elements included in the CAD data for a shape feature and stores the shape feature in a CAD feature shape database;

a query unit which compares a result of searching made by the shape search unit against a shape creation rule prestored in an analytical modeling means database and instructs an input/output device to present the result of searching;

an input result display unit which, responding to a query from the query unit, interactively corrects the result of searching the CAD data and instructs the input/output device to highlight a corrected portion of the corrected three-dimensional CAD model;

a model conversion unit which creates a numerical analytic model from the corrected three-dimensional CAD model;

a modeling portion display unit which instructs the input/output device to highlightedly display the corrected portion on the numerical analytical model; and

a shape processing unit which further corrects interactively the corrected portion shown, by the modeling portion display unit, on the numerical analytical model.

3. The analytical model information delivery device according to claim 1, wherein the shape search unit and the shape processing unit are provided in different servers.

4. The analytical model information delivery device according to claim 1, comprising a name search unit which, when the CAD data or the three-dimensional CAD model includes a name describing a shape feature, extracts the name and registers the extracted name in the CAD feature shape database.

5. The analytical model information delivery device according to claim 1, wherein, when the shape creation rule stored in the analytical modeling means database is interactively corrected, the input result display unit registers the corrected shape creation rule in the analytical modeling means database along with the name of the three-dimensional CAD model.

6. The analytical model information delivery device according to claim 1, comprising display means for displaying, when the modeling portion display unit issues an instruction to highlightedly display a corrected portion on the numerical analytical model, the corrected portion in a color different from the color in which other portions of the numerical analytical model are displayed.

2. An analytical model information delivery device which is provided in a device for creating a numerical analytical model from CAD data and which searches three-dimensional CAD data for a feature shape, comprising:

means for creating a three-dimensional CAD model from the three-dimensional CAD data;

means for extracting a design parameter included in the shape of the three-dimensional CAD model; and

means for comparing the extracted design parameter and a parameter pre-registered in a database and for, when the compared parameters are identical, correcting the numerical analytical model based on an interactively inputted determination condition.

7. An analytical model information delivery program installed in a device for creating a numerical analytical model from CAD data, the program causing a computer to function as:

a CAD data read unit which reads CAD data and creates a three-dimensional CAD model;

a shape search unit which searches elements included in the CAD data for a shape feature and stores the shape feature in a CAD feature shape database;

a query unit which compares a result of searching made by the shape search unit against a shape creation rule prestored in an analytical modeling means database and instructs an input/output device to present the result of searching;

an input result display unit which, responding to a query from the query unit, interactively corrects the result of searching the CAD data and instructs the input/output device to highlight a corrected portion of the corrected three-dimensional CAD model;

a model conversion unit which creates a numerical analytic model from the corrected three-dimensional CAD model;

a modeling portion display unit which instructs the input/output device to highlightedly display the corrected portion on the numerical analytical model; and

a shape processing unit which further corrects interactively the corrected portion shown, by the modeling portion display unit, on the numerical analytical model.

8. The analytical model information delivery program according to claim 7, wherein:

the CAD data read unit, the shape search unit, and the input result display unit are stored as one program in a server; and

the model conversion unit, the modeling portion display unit, and the shape processing unit are stored as one program in another server.